Home / 170,218.80-255,328.20-114,231.60

Finding the Fourth Proportional to 170,218.80, 255,328.20 and 114,231.60

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Solution

The fourth proportional to 170,218.80, 255,328.20 and 114,231.60 is: 171,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,218.80 : 255,328.20 = 114,231.60 : x
  2. Step 2: Convert to fraction form
    170,218.80/255,328.20 = 114,231.60/x
  3. Step 3: Cross multiply
    170,218.80x = 255,328.20 × 114,231.60
  4. Step 4: Simplify right side
    170,218.80x = 29,166,548,811.12
  5. Step 5: Solve for x
    x = 29,166,548,811.12/170,218.80
  6. Step 6: Final answer
    x = 171,347.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.